When it comes to protecting block walls from moisture, structural damage, and long-term deterioration, S&S Remedial stands out as the trusted choice for homeowners and builders across Queensland. Our waterproofing concrete block walls services combine technical precision, QBCC compliance, and proven durability—making us the go-to team for remedial and new-build projects alike.
Why Homeowners Choose Our Concete Block Wall Waterproofing?
Homeowners turn to us for peace of mind and lasting results. We take the time to understand your wall structure, exposure level, and finish type before applying any product. Every project begins with a detailed assessment of water ingress and substrate conditions to ensure the right waterproofing concrete block walls outside or inside—is used.
Waterproofing for block walls includes:
- Comprehensive diagnosis of leaks and damp issues
- Application of premium-grade membranes and moisture barriers
- Tailored waterproofing concrete block walls outside and inside
- Seamless finishes compatible with render, paint, or cladding
Whether it’s a garden retaining wall or basement block wall waterproofing, our services ensures your property remains dry, stable, and protected for decades.
Why Builders & Renovators Trust S&S Remedial
For Brisbane builders or Gold Coast contractors, cement block waterproofing isn’t just about performance — it’s about compliance and reliability. Our work meets or exceeds AS 3740 (Internal Wet Areas) and AS 4654.2 (External Above-Ground Waterproofing) standards.
We’re QBCC-licensed and experienced in both remedial and new-build projects, helping you avoid costly rework or inspection delays.
We partner seamlessly with other trades, ensuring our waterproofing block wall from outside or inside integrates with rendering or painting systems without compromising deadlines.
Builders choose our waterproofing for block walls because we:
- Deliver consistent, inspection-ready workmanship
- Provide clear documentation and scope of works
- Use systems proven to withstand Queensland’s harsh climate
- Guarantee results with manufacturer-backed warranties
Beyond the Surface: Waterproof Block Wall Right
Stop moisture before it starts—get expert waterproofing tailored to your wall type and Queensland’s climate.
Our Block Wall Waterproofing Services
Basement Block Wall Waterproofing
Sealing and protecting basement block walls from water infiltration, moisture damage, and structural decay
Besser Block Wall Waterproofing
Our waterproofing besser blocks service is designed to seal and protect Besser block walls using high-performance systems that meet QBCC and Australian Standards.
Split-Face Block Wall Waterproofing
Split-face blocks offer a rugged, architectural finish—but their textured surface traps moisture, making them highly vulnerable to water ingress, staining, and long-term deterioration.
Precast Wall Waterproofing
Precast concrete walls offer speed and strength—but without proper waterproofing, they’re vulnerable to joint leaks, surface absorption, and long-term deterioration.
Concrete Block Wall Waterproofing
Concrete blocks are porous and absorb water, so without waterproofing, they risk structural damage and surface deterioration.
Cement Block Waterproofing
Our waterproofing service is designed to protect cement block walls using systems that penetrate deep into the substrate and form a resilient moisture barrier.
Retaining Wall Waterproofing
Whether your wall is built from concrete blocks, poured concrete, or stone, our waterproofing systems are tailored to suit the material, exposure level, and site conditions.
Hollow Block Wall Waterproofing
Whether your wall is built from concrete blocks, poured concrete, or stone, our waterproofing systems are tailored to suit the material, exposure level, and site conditions.
How We Waterproof Block Walls?
Detailed Site Assessment
– We begin by inspecting the wall’s structure, exposure level, and finish type.
– Moisture ingress points and substrate conditions are identified to guide the solution.
Surface Preparation
– The wall is cleaned thoroughly to remove dust, efflorescence, and particles.
– Cracks or voids are patched using epoxy injection
Primer Application
– A penetrating primer is applied to enhance adhesion and seal porous surfaces.
Waterproofing Membrane Installation
– Depending on the wall’s location (internal vs external), we use liquid-applied membranes for seamless coverage.
Curing and Protection
– Protective coatings or drainage systems may be added for long-term resilience.
Final Inspection & Compliance Check
– The work is reviewed for QBCC compliance and performance standards.
– Clients receive documentation and guidance for ongoing maintenance.
What Are We Known For?
Deep Remedial & Waterproofing Expertise
We don’t just patch leaks — we tackle complex waterproofing challenges and structural problems.
- Concrete cancer / spalling repair
- Concrete crack injection
- Negative basement waterproofing
- Lift Pit Waterproofing
- Rising damp treatment
- Residential – rooftop / metal roof, balcony, planter box
- Indoor – bathroom, kitchen, & living room
Longevity, Compliance & Standards
Clients rely on us for robust solutions that stand the test of time and meet regulatory requirements:
- 20+ years of hands-on experience in waterproofing across residential, commercial, and strata properties.
- Strict adherence to QBCC and Australian Standards ensuring long-term durability and legal compliance.
- Work adheres to relevant Australian Standards (AS 3740, AS 4654.2)
Transparent, Client-First Approach
What truly differentiates us is how we engage with clients:
- Honest inspections and reporting — we identify root causes, not just symptoms
- Clear scopes, fair quotes, and open communication
- Warranty-backed workmanship to instil confidence
- Seamless collaboration with builders and trades to avoid delays
Australian-Made Materials & Proven Techniques
S&S Remedial uses high-quality membranes, sealants, coatings, and injection systems that are suited for Australian weather.
Our method of waterproofing cement block walls has been tested on projects ranging from residential homes and strata buildings to commercial and industrial sites.
Frequently Asked Question
How do I find concrete block wall waterproofing professionals in Brisbane or Gold Coast?
How much does concrete block wall waterproofing cost in Brisbane or the Gold Coast?
The typical cost of a waterproofing concrete block walls outside or inside can range from AUD $60 to $120 per square meter, depending on several key factors such as size, height, and access. .
Are house renovators or builders from Brisbane and the Gold Coast also QBCC-licensed waterproofer?
No, a builder or renovator in Brisbane or the Gold Coast is NOT automatically a QBCC-licensed waterproofer.
Waterproofing is a Regulated Trade
In Queensland, waterproofing is legally considered a separate, specialised trade under the regulation of the Queensland Building and Construction Commission (QBCC).
Separate License Required:
Any contractor or waterproofing company performing a indoor and outdoor waterproofing services with a value over $3,300 (including labour and waterproofing materials) must hold a specific QBCC Waterproofing License (CPC31420 Certificate III in Construction Waterproofing).
Mandatory Certification: Only a QBCC-licensed waterproofer can legally carry out the work and issue the mandatory QBCC certificate (Form 43 or Form 16) to the building certifier or owner for compliance.
Brisbane Builders and contractors usually partner with S&S Remedial for all residential and commercial waterproofing works.
Do concrete block wall waterproofing company like S&S Remedial offer any warranty?
We offer a workmanship warranty of up to 6.5 years from practical completion, along with a manufacturer or product warranty that typically ranges from 7 to 20 years, depending on the waterproofing block walls membrane specified.
Is residential and commercial block wall waterproofing required by law or building code?
In Brisbane and the Gold Coast, commercial, residential, and industrial waterproofing—including waterproofing for bathroom, basement, planter boxes, roof decks, wet areas, terraces, and structural components—is mandated by building codes such as AS 3740 and AS 4654. S&S Remedial follow a compliant method of waterproofing block walls and we are legally qualified to issue a waterproofing certificate for your building insurance.
Am I legally required to hire a licensed block wall or retaining wall waterproofing contractor in Queensland?
Yes— for cement block waterproofing above AUD 3,300 or those involving waterproofing besser blocks on building and commercial space, you must engage a QBCC-licensed waterproofing contractor. No worries—S&S Remedial’s technicians are fully licensed and experience professionals.